Inspired by one of earliest DEFY wristwatches, this “imagined heritage” creation is powered by the legendary El Primero 400 chronograph, the direct descendant of the world’s first automatic high-frequency chronograph introduced by ZENITH in 1969. It also pays homage to another iconic design of the 1960s, the USM Haller system. Crafted in an octagonal stainless steel case with 14-sided bezel and fitted with a USM Green dial. Presented on the emblematic “Gay frères” ladder bracelet. Exclusive limi...